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3961
Dye sensitized photocatalytic degradation of congo red and rhodamine B by 1,3,5-Benzenetricarboxylic acid based metal organic frameworks Ni3(BTC)2.12H2O, (Ni0.8Co0.2)3(BTC)2.12H2O...
Published 2025-03-01“…Their structures were thoroughly characterized through various techniques, including PXRD, FE-SEM, EDX, HRTEM, FT-IR, Raman spectroscopy, TGA, and BET analysis. Despite their band gap energies exceeding 3 eV, which limits direct visible light absorption, the photocatalytic degradation was successful, suggesting a dye-sensitized mechanism. …”
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3962
Frictional heat-assisted performance enhancement in dynamic Schottky contact of Al/Ag2Se-based tribovoltaic nanogenerator
Published 2025-01-01“…The chemical composition and physical characteristics of the Ag2Se ceramic were analyzed using X-ray diffraction, scanning electron microscopy, and Synchrotron X-ray tomography techniques. UV–Vis spectroscopy and UPS were also utilized in order to validate the semiconducting property of the n-type Ag2Se ceramic. …”
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3963
Energetic disorder dominates optical properties and recombination dynamics in tin-lead perovskite nanocrystals
Published 2025-01-01“…Here, using temperature-dependent static and transient absorption spectroscopy, we meticulously distinguish the contributions of static disorder (including defects, impurities, etc.) and dynamic disorder (carrier–phonon interactions). …”
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3964
Artificial weathering aging of PPT coatings made from recycled PET to protect concrete: Nanomechanical properties evaluation
Published 2025-03-01“…The analysis of the molecular degradation of the PPT coatings was performed by Fourier transform infrared spectroscopy (FT-IR), which revealed that the rupture of C–H bonds caused the nanomechanical properties of the coatings to decrease; Hi = 200 ± 5 MPa to Hi = 32 ± 18 MPa, Hs = 125 ± 12 MPa to Hs = 12 ± 5 MPa and E = 5.1 ± 1.01 GPa to E = 1.05 ± 0.23 GPa.…”
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3965
Influence of Ni, Al, W doping on microstructure, corrosion and wear resistance of HVOF spraying Fe-based amorphous alloy coatings
Published 2025-03-01“…Mott–Schottky analysis and X-ray photoelectron spectroscopy results showed that the W-doped AACs forming the densest and thickest passivation films, ascribed to an increased fraction of protective and stable low-valent metal oxides (Fe2+/Cr3+/Mo4+), enhanced corrosion resistance by promoting film growth and degradation processes. …”
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3966
Anti-Inflammatory, Antithrombotic, and Antioxidant Properties of Amphiphilic Lipid Bioactives from Shrimp
Published 2024-12-01“…Structural analyses were performed using ATR-FTIR spectroscopy, while LC-MS was used to elucidate the fatty acid composition and overall structure of polar lipids (PLs) present in shrimp TAC extracts. …”
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3967
AMINO-GRAFTED MESOPOROUS SILICA NANOPARTICLES: ASSESSMENT OF NEUROMODULATORY, MEMBRANOTROPIC AND ANTIOXIDANT PROPERTIES IN CORTEX NERVE TERMINALS
Published 2024-12-01“…Amino-grafted mesoporous silica nanoparticles (MSN-NH2) were synthesized by means of co-condensation of tetraethoxysilane and 3-aminopropyltriethoxysilane and characterized using TEM, IR-spectroscopy, and powder X-ray diffraction. Neuromodulatory and related properties of MSN-NH2 were evaluated using rat cortex nerve terminals (synaptosomes). …”
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3968
Photoelectrochemical characterization and photocatalytic properties of mesoporous <mml:math alttext="${{{ext{TiO}}_{ext{2}} } mathord{left/ {vphantom {{{ext{TiO}}_{ext{2}} } {{ext...
Published 2006-01-01“…The structural and optical properties of these films were characterized using SEM, low-angle XRD, and UV/Vis spectroscopy, hexane adsorption investigation. Band gap energy and the position of flatband potentials were estimated by photoelectrochemical measurements. …”
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3969
Coagulants for water based on activated aluminum alloys
Published 2023-10-01“…In addition, the goal is solving environmental issues associated with improving the drinking water quality and related to environmental pollution with wastewater.METHODS: The microstructures, phase components, and elemental compositions of alloys and reaction products were studied by scanning electron microscopy/energy dispersive X-ray spectroscopy. The thermal effects of alloys were investigated usin thermogravimetry methods. …”
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3970
Adsorption of Anionic Surfactants onto Alumina: Characteristics, Mechanisms, and Application for Heavy Metal Removal
Published 2018-01-01“…Adsorption mechanisms were disused in detail on the basis of adsorption isotherm, the change in surface charge, and the change in functional surface groups by Fourier-transform infrared spectroscopy (FTIR). The application of surfactant adsorption onto Al2O3 to remove cadmium ion (Cd2+) was also studied. …”
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3971
Antibiotic-mediated dysbiosis leads to activation of inflammatory pathways
Published 2025-01-01“…Caecal microbiota composition was assessed via 16S rRNA sequencing and caecal metabolites were quantified with NMR spectroscopy. Immune profiles of spleen and mesenteric lymph nodes (MLNs) were assessed by flow cytometry, and splenocytes assessed for ex vivo cytokine production. …”
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3972
An HST Transmission Spectrum of the Closest M Dwarf Transiting Rocky Planet LTT 1445Ab
Published 2025-01-01“…We use Hubble Space Telescope/Wide Field Camera 3 transmission spectroscopy with the G280 and G141 grisms to study the spectrum of LTT 1445Ab between 0.2 and 1.65 μ m. …”
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3973
Phase transitions, Dirac and Weyl semimetal states in Mn1−x Ge x Bi2Te4
Published 2025-01-01“…Abstract Using angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT), an experimental and theoretical study of changes in the electronic structure (dispersion dependencies) and corresponding modification of the energy band gap at the Dirac point (DP) for topological insulator (TI) $$\textrm{Mn}_{1-x} \textrm{Ge}_x \textrm{Bi}_2 \textrm{Te}_4$$ have been carried out with gradual replacement of magnetic Mn atoms by non-magnetic Ge atoms when concentration of the latter was varied from 10% to 75%. …”
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3974
Laser interaction with undercritical foams of different spatial structures
Published 2025-01-01“…The spatial–temporal evolution of X-ray emission is observed using an X-ray streak camera, electron and ion temperatures are measured by X-ray spectroscopy, and hot-electron production is characterized by monochromatic X-ray imaging. …”
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3975
Utilizing ultrasound for the extraction of polysaccharides from the tuber of Typhonium giganteum Engl.: Extraction conditions, structural characterization and bioactivities
Published 2025-02-01“…No obvious difference was found in the Fourier transform infrared spectroscopy analysis of TGEP-U and TGEP-H. The Congo red and Circular dichroism tests demonstrated that TGEP-U and TGEP-H had non-three helical structure. …”
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3976
Preparation of Tragopogon graminifolius-loaded electrospun nanofibers and evaluating its wound healing activity in a rat model of skin scar
Published 2025-01-01“…[Asteraceae] (TG), also called “Sheng” in traditional Iranian medicine, is one of the most efficacious plants for treating various skin injuries due to its several pharmacological and biological effects like anti-inflammatory and antioxidant properties.PurposeIn the present study, our objective was to assess the wound-healing activity of PVA/PEO/CS nanofibers containing TG in a rat model of excision wound repair.MethodsSynthesized nanofibers from PVA, PEO, and CS were done by the electrospinning method and confirmed by scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FT-IR). The release tests of nanofibers were assessed through the UV-visible method at different time intervals, which were conducted for about 60 h. …”
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3977
Solar-driven production of renewable chemicals via biomass hydrogenation with green methanol
Published 2025-01-01“…By combining in situ soft X-ray absorption spectroscopy with theoretical calculations, we successfully identify the dynamic evolution of Cu sites along with the biomass hydrogenation and methanol oxidation, where the tandem process is enabled by the photogenerated electrons and holes to complete a chemical cycle. …”
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3978
RETRACTED ARTICLE: Synthesis of silver nanoparticles using Plantago lanceolata extract and assessing their antibacterial and antioxidant activities
Published 2021-10-01“…The existence of nanoparticles (NPs) was confirmed by color shift, atomic force microscopy (AFM), and UV–Vis’s spectroscopy. The FT-IR analysis indicated the association of biomolecules (phenolic acid and flavonoids) to reduce silver (Ag+) ions. …”
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3979
Eco-friendly alginate/PCL-TiO2 hybrid biocomposites: Preparation, properties, and methylene blue photodegradation
Published 2025-01-01“…XRD analysis of the composites PA, PA-Ti1, PA-Ti3, and PA-Ti5 revealed an orthorhombic to tetragonal semicrystalline structure after added TiO2. FT-IR spectroscopy show sharp peak at 1721 cm⁻¹ represents C = O vibration, while characteristic CH stretching vibrations of PCL are evident at 2800–2900 cm-1. …”
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3980
Rainy and Dry Seasons Are Relevant Factors Affecting Chemical and Antioxidant Properties of Meliponini Honey
Published 2025-01-01“…The mineral content was assessed via TXRF spectroscopy, and chemical fingerprinting was conducted using mass spectrometry. …”
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